Final answer:
A faxed prescription can be considered the original prescription for CIII - CV controlled substances if it meets all the legal requirements, but rules can vary by state and a follow-up paper prescription may be sometimes required.
Step-by-step explanation:
The question pertains to whether a faxed prescription can serve as the original prescription for a controlled substance in schedules CIII - CV. In the United States, under the Drug Enforcement Administration (DEA) regulations, a faxed prescription can be considered the original prescription for substances classified as CIII, CIV, and CV, provided that it meets all the legal requirements for a valid prescription.
However, there are particular rules that must be followed regarding prescriptions for controlled substances, and these can vary by state. In some cases, a faxed prescription may need to be followed up by a paper prescription within a certain period. Additionally, the pharmacist must verify the legitimacy of the prescription and ensure that the faxed copy is as clear and as legible as an original would be.